Service difficulty report · Duct · Doug 600N

Difficulty date
August 15, 2002
Submitted
August 29, 2002
Operation
Air carrier
Aircraft
N613BP
Make and model
Doug 600N
Aircraft serial
RN045
Engine
Allsn 250C47B
Part
Duct
Part number
369D28630501
Condition
Cracked
Location
Engine Exhaust
Part time
286 hours
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

EXHAUST DUCT CONTINUALLY CRACKS FROM THE FLANGE, RUNNING TO THE END OR OUTLET OF THE DUCT. DUCT ALSO EXHIBITS BLUING FROM EXCESS HEAT.

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